from django.db import models
from	django.db.models.query	import	QuerySet
from django.utils import timezone
from django.contrib.auth.models import User
from django.urls import reverse
from taggit.managers import TaggableManager
# Create your models here.
class PublishedManager(models.Manager):
  def get_queryset(self) -> QuerySet:
    return super(PublishedManager,self).get_queryset().filter(status='published')
class Post(models.Model):
  objects = models.Manager()
  published = PublishedManager()
  tags = TaggableManager()
  STATUS_CHOICES = (
 ('draft', 'Draft'),
 ('published', 'Published')
 )
  title = models.CharField(max_length=250)
  body = models.TextField()
  slug = models.SlugField(max_length=250, unique_for_date='publish')
  author = models.ForeignKey(User, on_delete=models.CASCADE,
related_name='author')
  publish = models.DateTimeField(default=timezone.now)
  created = models.DateTimeField(auto_now_add=True)
  updated = models.DateTimeField(auto_now=True)
  status = models.CharField(max_length=10, choices=STATUS_CHOICES,
default='draft')

  class Meta:
    ordering = ('-publish',)
   
  def __str__(self):
    return self.title
  def get_absolute_url(self):
    return reverse('blog:post_detail', args=[self.publish.year,
     self.publish.month, self.publish.day, self.slug])
class Comment(models.Model):
  post = models.ForeignKey(Post,
  on_delete=models.CASCADE,
  related_name='comments')
  name = models.CharField(max_length=80)
  email = models.EmailField()
  body = models.TextField()
  created = models.DateTimeField(auto_now_add=True)
  updated = models.DateTimeField(auto_now=True)
  active = models.BooleanField(default=True)
  class Meta:
    ordering = ('created',)
  def __str__(self):
    return f'Comment by {self.name} on {self.post}'
